An efficient use of Oppolzer sultam for Diastereospecific Synthesis of cis-β-Lactams
作者:V. Srirajan、Vedavati G. Puranik、A.R.A.S. Deshmukh、Baburao M. Bhawal
DOI:10.1016/0040-4020(96)00193-7
日期:1996.4
DiastereospecificSynthesis of cis-β-Lactams (6a-g) has been achieved in ketene-imine cycloaddition reaction (Staudinger reaction) by using homochiral ketene precursors 3 and 4 derived from Oppolzersultam, in very good yields.
A New Protocol for a One-pot Synthesis of α-Amino Phosphonates by Reaction of Imines Prepared In Situ with Trialkylphosphites
作者:Mohammad R. Saidi、Najmedin Azizi
DOI:10.1055/s-2002-32957
日期:——
Imines prepared in situ by reaction of aldehydes and ketones with primary amines in ethereal solution of LiClO4 react readily at ambient temperature with trialkylphosphite to give high yields of α-amino phosphonates.